Practice the questions of McGraw Hill Math Grade 4 Answer Key PDF Posttest to secure good marks & knowledge in the exams.
McGraw-Hill Math Grade 4 Posttest Answer Key
Fill in each blank. Use the best term from the word bank. You may not use every term.
Question 1.
A(n) ______________ is a group of numbers with an operation symbol.
Answer:
An equation is a group of numbers with an operation symbol.
Question 2.
To find the difference between two numbers, you ____________.
Answer:
To find the difference between two numbers, you subtract.
Question 3.
You ____________ to find out how many in all.
Answer:
You add to find out how many in all.
Question 4.
The ______________ is the number below the fraction bar in a fraction.
Answer:
The denominator is the number below the fraction bar in a fraction.
Question 5.
A(n) _____________ has four equal sides and four equal angles.
Answer:
A square has four equal sides and four equal angles.
Question 6.
A(n) ______________ is the number of equal groups a dividend is divided by in a division problem.
Answer:
A whole is the number of equal groups a dividend is divided by in a division problem.
Question 7.
An array is a good way to show _______________ of objects.
Answer:
An array is a good way to show equal groups of objects.
Question 8.
A(n) _______________ is a shape that has zero sides and zero angles.
Answer:
A circle is a shape that has zero sides and zero angles.
Question 9.
You ______________ to find a number close to an exact amount.
Answer:
You estimate to find a number close to an exact amount.
Question 10.
You ______________ to find how many equal groups a number can be divided into.
Answer:
You divide to find how many equal groups a number can be divided into.
Question 11.
The answer to an addition problem is called the _____________.
Answer:
The answer to an addition problem is called the sum.
Question 12.
You can _______________ two numbers together to find the product.
Answer:
You can multiply two numbers together to find the product.
Question 13.
A(n) _______________ is a symbol used to name part of a whole.
Answer:
A fraction is a symbol used to name part of a whole.
Question 14.
The _______________ is the answer to a division problem.
Answer:
The quotient is the answer to a division problem.
Write each number in standard form.
Question 15.
7 tens
Answer:
70
Explanation:
The standard form of 7 tens is 70.
Question 16.
50 + 1
Answer:
51
Explanation:
The standard form of 50 + 1 = 51.
Question 17.
seventy-seven
Answer:
77
Explanation:
The standard form of seventy-seven is 77.
Question 18.
nineteen
Answer:
19
Explanation:
The standard form of nineteen is 19.
Question 19.
7 hundreds 1 ten 4 ones
Answer:
714
Explanation:
The standard form of 7 hundreds 1 ten 4 ones is 714.
Question 20.
800 + 8
Answer:
808
Explanation:
The standard form of 800 + 8 is 808.
Question 21.
Answer:
104
Explanation:
There is 1 hundreds block and 4 ones cubes
The standard form of the given quick picture is 104.
Question 22.
Answer:
43
Explanation:
There are 4 tens sticks and 3 ones cube
The standard form of the given quick picture is 43.
Question 23.
Answer:
37
Explanation:
There are 3 tens sticks and 7 ones cube
The standard form of the given quick picture is 37.
Skip count. Write the missing numbers.
Question 24.
8, 10, 12, _________, ___________, __________, 20
Answer:
14, 16, 18,
Explanation:
The numbers in the pattern are skip counts of 2
The missing numbers are 14, 16, 18.
Question 25.
70, 80, 90, _________, _________, _________, 130
Answer:
100, 110, 120
Explanation:
The numbers in the pattern are skip counts of 10
The missing numbers are 100, 110, 120.
Question 26.
75, 80, 85, _________, _________, _________, 105
Answer:
90, 95, 100
Explanation:
The numbers in the pattern are skip counts of 5
The missing numbers are 90, 95, 100
Compare each pair of numbers. Write <,> , or = for each.
Question 27.
496 398
Answer:
496 398
Explanation:
The number 496 is greater than 398.
Question 28.
457,824 457,844
Answer:
457,824 457,844
Explanation:
The number 457,824 is less than 457,844.
Question 29.
\(\frac{3}{6}\) \(\frac{1}{2}\)
Answer:
\(\frac{3}{6}\) \(\frac{1}{2}\)
Explanation:
The number \(\frac{3}{6}\) is equal to \(\frac{1}{2}\).
Question 30.
14 41
Answer:
14 41
Explanation:
The number 14 is less than 41.
Question 31.
5.4 5.0
Answer:
5.4 5.0
Explanation:
The number 5.4 is greater than 5.0.
Question 32.
592 595
Answer:
592 595
Explanation:
The number 592 is less than 595.
Add. Write the sum.
Question 33.
Answer:
Explanation:
The sum of 356 and 871 is 1227.
Question 34.
Answer:
Explanation:
The sum of 18437 and 31854 is 50291.
Question 35.
Answer:
Explanation:
The sum of 36792 and 9654 is 46446.
Question 36.
Answer:
Explanation:
The sum of 63121 and 42190 is 105311.
Question 37.
Answer:
Explanation:
The sum of 562 ,711 and 631 is 1904.
Question 38.
Answer:
Explanation:
The sum of 25582 ,72990 and 31854 is 130426.
Question 39.
Answer:
Explanation:
The sum of 5612 , 6453 and 8904 is 20969.
Question 40.
Answer:
Explanation:
The sum of 953 ,110 and 872 is 1935.
Subtract. Write the difference.
Question 41.
Answer:
Explanation:
The difference between 529228 and 337643 is 191585.
Question 42.
Answer:
Explanation:
The difference between 815027 and 56774 is 758253.
Question 43.
Answer:
Explanation:
The difference between 437184 and 72138 is 365046.
Question 44.
Answer:
Explanation:
The difference between 90543 and 90251 is 292.
Round to the nearest thousand to estimate the sum or difference.
Question 45.
82,019 – 78,901 = ____________
Answer:
3000
Explanation:
82019 – 78901
I rounded the numbers to the nearest thousand to estimate the difference
= 82000 – 79000
= 3000
So, the estimated difference between the given numbers is 3000.
Question 46.
351,092 + 238,091 = ____________
Answer:
589000
Explanation:
351,092 + 238,091
I rounded the numbers to the nearest thousand to estimate the sum
= 351000 + 238000
= 589000
So, the estimated sum of the given numbers is 3000.
Round to the nearest hundred to estimate the sum or difference.
Question 47.
74,521 + 676,890 = ____________
Answer:
751400
Explanation:
74,521 + 676,890
I rounded the numbers to the nearest hundred to estimate the sum
= 74500 + 676900
= 751400
So, the estimated sum of the given numbers is 751400.
Question 48.
90,932 – 65,721 = _____________
Answer:
25200
Explanation:
90,932 – 65,721
I rounded the numbers to the nearest hundred to estimate the difference
= 90900 – 65700
= 25200
So, the estimated difference between the given numbers is 25200.
Solve.
Question 49.
A rectangular yard is 8 meters long and 5 meters wide. What is the perimeter of the yard?
Answer:
26 meters
Explanation:
A rectangular yard is 8 meters long and 5 meters wide
l = 8, b = 5
Perimeter of a rectangle = 2l + 2b
= (2×8) + (2×5)
= 16 + 10
= 26
So, perimeter of the rectangular yard is 26 meters.
Question 50.
A sandbox measures 7 feet long and 5 feet wide. What is the area of the sandbox?
Answer:
35 square feet
Explanation:
A sandbox measures 7 feet long and 5 feet wide
l = 7, b = 5
Area of the rectangle = l x b
= 7 x 5
= 35 square feet
So, area of the sandbox is 35 square feet.
Find the product.
Question 51.
4 × 0 = ___________
Answer:
0
Explanation:
Any number multiplied by 0 is 0
So, 4 x 0 = 0.
Question 52.
2 × 8 = ___________
Answer:
16
Explanation:
The product of 2 and 8 is 16
So, 2 x 8 = 16.
Question 53.
9 × 8 = ____________
Answer:
72
Explanation:
The product of 9 and 8 is 72
So, 9 x 8 = 72.
Question 54.
12 × 4 = __________
Answer:
48
Explanation:
The product of 12 and 4 = 48
So, 12 x 4 = 48.
Question 55.
10 × 5 = _____________
Answer:
50
Explanation:
The product of 10 and 5 is 50
so, 10 x 5 = 50.
Question 56.
5 × 1 = ______________
Answer:
5
Explanation:
The product of 5 and 1 is 5
So, 5 x 1 = 5.
Find the quotient.
Question 57.
12 ÷ 3 = ____________
Answer:
Explanation:
12 ÷ 3 = 4
The quotient is 4.
Question 58.
32 ÷ 4 = ____________
Answer:
Explanation:
32 ÷ 4 = 8
The quotient is 8.
Question 59.
35 ÷ 7 = _____________
Answer:
Explanation:
35 ÷ 7 = 5
The quotient is 5.
Question 60.
132 ÷ 12 = _____________
Answer:
Explanation:
132 ÷ 12 = 11
The quotient is 11.
Question 61.
88 ÷ 11 = _____________
Answer:
Explanation:
88 ÷ 11 = 8
The quotient is 8.
Question 62.
60 ÷ 10 = _______________
Answer:
Explanation:
60 ÷ 10 = 6
The quotient is 6.
Question 63.
Which multiplication property is shown in this sentence? 5 × (12 + 15) = (5 × 12)+ (5 × 15)
Answer:
Distributive property
Explanation:
5 × (12 + 15) = (5 × 12)+ (5 × 15) is an example of distributive property of multiplication.
Identify each number as prime or composite.
Question 64.
6 ___________
Answer:
Composite number
Explanation:
6 is a composite number.
Question 65.
11 ______________
Answer:
Prime number
Explanation:
11 is a prime number.
Question 66.
11 ____________
Answer:
Prime number
Explanation:
11 is a prime number.
Question 67.
66 ______________
Answer:
Composite number
Explanation:
66 is a composite number.
Find all the factor pairs of each number.
Question 68.
12 ______________
Answer:
1 x 12, 2 x 6, 3 x 4
Explanation:
The factors pairs of the number 12 are 1 x 12, 2 x 6, 3 x 4.
Question 69.
19 ______________
Answer:
1 x 19
Explanation:
There is only 1 pair of factors for the number 19
The factor pair of 19 is 1 x 19.
Solve. Write the expressions you used and the answers.
Question 70.
Ms. Neal is making a large pot of stew for a family reunion. The recipe calls for 4 times as many peas as carrots. If she uses 2 cups of carrots, how many cups of peas will she need?
Answer:
8 cups of peas
Explanation:
Ms. Neal is making a large pot of stew for a family reunion
The recipe calls for 4 times as many peas as carrots
She uses 2 cups of carrots
So, multiply 4 and 2
4 x 2 = 8
So, Ms. Neal need 8 cups of peas.
Question 71.
A deli has 6 times as many bottles of juice as pickles. If the deli has 54 bottles of juice, how many pickles are in the deli? Use the variable y for the number of pickles.
Answer:
9 pickles
Explanation:
A deli has 6 times as many bottles of juice as pickles
If the deli has 54 bottles of juice
The equation that helps to solve the problem is
6y = 54
y = 54 ÷ 6
y = 9
So, there are 9 pickles.
Write an equivalent fraction for each.
Question 72.
\(\frac{3}{4}\)
Answer:
\(\frac{6}{8}\)
Explanation:
The fraction \(\frac{3}{4}\) is equivalent to \(\frac{6}{8}\).
Question 73.
\(\frac{24}{40}\)
Answer:
\(\frac{24}{40}\)
Explanation:
The equivalent fraction for \(\frac{24}{40}\) is \(\frac{12}{20}\).
Question 74.
\(\frac{4}{36}\)
Answer:
\(\frac{2}{18}\)
Explanation:
The equivalent fraction for \(\frac{4}{36}\) is \(\frac{2}{18}\).
Add or subtract. Write your answers in simplest form.
Question 75.
\(\frac{2}{5}\) + \(\frac{1}{5}\) = ______________
Answer:
\(\frac{3}{5}\)
Explanation:
\(\frac{2}{5}\) + \(\frac{1}{5}\) = \(\frac{3}{5}\).
Question 76.
\(\frac{3}{10}\) + \(\frac{5}{10}\) = ______________
Answer:
\(\frac{8}{10}\)
Explanation:
\(\frac{3}{10}\) + \(\frac{5}{10}\) = \(\frac{8}{10}\)
Question 77.
78\(\frac{9}{15}\) – 47\(\frac{5}{15}\) = ______________
Answer:
31\(\frac{4}{15}\)
Explanation:
78\(\frac{9}{15}\) – 47\(\frac{5}{15}\) = 31\(\frac{4}{15}\).
Write each fraction as a decimal.
Question 78.
\(\frac{5}{10}\)
Answer:
0.5
Explanation:
The decimal of the fraction \(\frac{5}{10}\) is 0.5.
Question 79.
\(\frac{30}{100}\)
Answer:
0.3
Explanation:
The decimal of the fraction \(\frac{30}{100}\) is 0.3.
Question 80.
\(\frac{78}{100}\)
Answer:
0.78
Explanation:
The decimal of the fraction \(\frac{78}{100}\) is 0.78.
Question 81.
\(\frac{40}{50}\)
Answer:
0.8
Explanation:
The decimal for he fraction \(\frac{40}{50}\) is 0.8.
Question 82.
Plot 1.20 on the number line. Label it A.
Answer:
Explanation:
I plotted the number 1.20 on the number line and labeled it A.
Question 83.
Plot 1\(\frac{70}{100}\) on the number line. Label it B.
Answer:
Explanation:
The decimal of the fraction 1\(\frac{70}{100}\) is 1.7
I plotted the number 1.7 on the number line and labeled it B.
Question 84.
Plot 1\(\frac{2}{5}\) on the number line. Label it C.
Answer:
Explanation:
The decimal of the fraction 1\(\frac{2}{5}\) is 1.4
I plotted the number 1.4 on the number line and labeled it C.
Multiply to find each missing number.
Question 85.
3 m = _____________ cm
Answer:
300 cm
Explanation:
1 meter = 100 cm
3 m = 3 x 100
= 300 cm
So, 3 m = 300 cm.
Question 86.
62 ft = ______________ in
Answer:
744 in
Explanation:
1 ft = 12 in
62 ft = 62 x 12
= 744
So, 62 ft = 744 in.
Question 87.
11 kg = ______________ g
Answer:
11000 g
Explanation:
1 kg = 1000 g
11 kg = 11 x 1000
= 1000 g
So, 11 kg = 11000 g.
Question 88.
Which figure is an obtuse angle? Place a check mark under the correct answer.
Answer:
Explanation:
The first figure is an obtuse angle
So, i placed a check mark under the first figure.
Question 89.
Which figure is a line segment? Place a check mark under the correct answer.
Answer:
Explanation:
The third figure is a line segment
So, i placed a check mark under the third figure.
Question 90.
Which figure is an acute isosceles triangle? Place a check mark under the correct answer.
Answer:
Explanation:
The second figure is an acute isosceles triangle
So, i placed a check mark under second figure.
Question 91.
Which pair of lines is perpendicular? Place a check mark under the correct answer.
Answer:
Explanation:
The second figure is a pair of perpendicular lines
So, i placed a check mark under the second figure.
Use a protractor to measure each angle. You may need to extend its sides.
Question 92.
Answer:
Explanation:
The measure of the given angle is 40°.
Question 93.
Answer:
Explanation:
The measure of the given angle is 150°.
Solve.
Question 94.
A mechanic uses a wrench to turn a bolt. He turns it 62°. After a few minutes, he turns it another 18°. How many degrees did he turn the bolt altogether?
Answer:
80°
Explanation:
A mechanic uses a wrench to turn a bolt. He turns it 62°
After a few minutes, he turns it another 18°
Add 62 and 18
62 + 18 = 80°
So, the mechanic turned the blot for 80°.
Question 95.
A wheel spins forward 122°. Then it spins backward 34°. At what degree measure does the wheel stop spinning?
Answer:
98°
Explanation:
A wheel spins forward 122°
Then it spins backward 34°
Subtract 34 from 122
112° – 34° = 98°
The wheel stop spinning at 98°.